Muscicapoidea: The Superfamily of Flycatchers, Thrushes, and Starlings
In the vast and diverse world of Passeriformes (perching birds), few groups are as varied and widespread as the superfamily Muscicapoidea. This expansive group encompasses a wide array of songbirds, including the well-known Old World flycatchers, thrushes, and starlings, along with several of their close allies.
With approximately 670 species, Muscicapoidea represents a significant portion of avian biodiversity. These birds are characterized by their diverse ecological roles and are found across various habitats globally.
Key Facts
- Species Count: Approximately 670 species.
- Taxonomic Rank: Superfamily.
- Major Groups: Includes Old World flycatchers, thrushes, and starlings.
- Phylogenetic Position: Sister to a clade containing the superfamily Certhioidea and the family Regulidae.
- Classification Basis: Recent molecular phylogenetic studies have helped define its seven constituent families.
Taxonomic Classification and Lineage
Muscicapoidea belongs to the infraorder Passerides. Within the broader parvorder Muscicapida, this superfamily occupies a specific evolutionary branch, serving as the sister group to a clade that includes the family Regulidae and the superfamily Certhioidea.
The scientific classification of these birds is structured as follows:
- Kingdom: Animalia
- Phylum: Chordata
- Class: Aves
- Order: Passeriformes
- Parvorder: Passerida
- Superfamily: Muscicapoidea
The Seven Families of Muscicapoidea
The superfamily is composed of seven distinct families, each contributing to the overall diversity of the group. These families range from the insect-eating flycatchers to the fruit- and insect-eating thrushes.
| Family Name | Common Examples/Groups |
|---|---|
| Muscicapidae | Old World flycatchers |
| Turdidae | Thrushes (e.g., Fieldfare) |
| Sturnidae | Starlings |
| Mimidae | Mockingbirds and allies |
| Cinclidae | Dippers |
| Buphagidae | Hornbills/Oxpeckers |
| Elachuridae | Elachura species |
Modern Phylogenetic Research
Our understanding of Muscicapoidea has been significantly refined by modern science. In 2019, Carl Oliveros and his colleagues published a comprehensive molecular phylogenetic study—an analysis of genetic relationships—of passerines. This research included species from all seven families within the superfamily, providing a clearer picture of how these birds evolved and diverged over time.
Frequently Asked Questions
How many species are in the Muscicapoidea superfamily?
There are approximately 670 species within the Muscicapoidea superfamily.
Which common birds belong to this group?
Common birds in this group include Old World flycatchers, thrushes (such as the Fieldfare), and starlings.
What is the relationship between Muscicapoidea and Certhioidea?
Within the parvorder Muscicapida, Muscicapoidea is the sister group to a clade that contains the superfamily Certhioidea and the family Regulidae.
How was the classification of these families recently verified?
The classification was supported by a large molecular phylogenetic study published in 2019 by Carl Oliveros and colleagues in the Proceedings of the National Academy of Sciences of the United States.